Question

A triangle has corners at `(6 ,7 )`, `(2 ,1 )`, and `(5 ,8 )`. How far is the triangle's centroid from the origin?

Answer 1

See below

Explanation:

The quick (shortcut) answer is that it is the mean values

`x_("mean")=(6+2+5)/3 = 13/3`

`y_("mean")=(7+1+8)/3= 16/3`